       *{
            margin: 0;
            padding: 0;
        }

        input{
            outline: none;
        }
        
        body{
            width: 100%;
            height: 100%;
            overflow-y: scroll;
            display: flex;
            flex-flow: row wrap;
            justify-content: center;
            align-items: center;
        }
        
        .icon {
           width: 1em;
           height: 1em;
           vertical-align: -0.15em;
           fill: currentColor;
           overflow: hidden;
        }
        
        /*==================================
                        头部
        =====================================*/
        header{
            width: 100%;
            height: 60px;
            background-color: black;
            position: relative;
            /*opacity: 0.1*/
        }
        
        header div{
            display: inline-block;
        }
        
        /*-------------------导航栏左侧的ul--------------------*/
        .nav_show{
            position: absolute;
            left: -40px;
            height: 100%;
            /*background-color: #ddd*/
        }
        
        
        header a{
            color: gray;
            text-decoration: none;
        }
        
        header ul li{
            list-style: none;
            float: left;
            width: auto;
            background-color: black;
            color: gray;
        }
        
        header .nav_show ul{
            margin-left: 40px;
        }
        
        header .nav_show ul li:nth-child(1){
            width: 70px;
            height: 60px;
            text-align: center;
            font-size: 18px;
            line-height: 60px;
        }
        
        
        header .nav_show ul li:nth-child(1):hover{
            cursor: pointer;
            opacity: 0.7;
            color: white;
        }
        
        header .nav_show ul li:nth-child(2){
            padding-left: 20px;
            padding-right: 20px;
            width: auto;
            height: 60px;
            line-height: 55px;
        }
        
        header .nav_show ul li:nth-child(2) span{
            font-size: 16px;
            color:#ddd;
        }
        
        header .nav_show ul li:nth-child(2) em{
            padding-left: 5px;
            font-style: normal;
            font-size: 12px;
        }
        
        header .nav_show ul li:nth-child(3){
            width: 150px;
            height: 60px;
            line-height: 55px;
            padding-left: 40px;
            font-size: 14px;
        }
        
        
        header .nav_show ul li:nth-child(3) a{
            font-size: 19px;
            position: relative;
            top: 2px;
            padding-left: 8px;
        }
        
        header .nav_show ul li:nth-child(3) a:hover{
            color: darkgreen;
        }
        
        
        /*-------------------导航栏右侧-----------------------*/
        .nav_own{
            position: absolute;
            right: 50px;
            color: gray;
            height: 60px;
        }
        
        .nav_own ul li{
            height: 60px;
            line-height: 70px;
        }
        
        .nav_own ul li:nth-child(1){
            font-size: 15px;
            padding-right: 20px;
        }
        
       /* .icon_font{
            font-size: 28px;
        }*/
        
        .nav_own ul li:nth-child(1) span{
            position: relative;
            top: -3px;
            
        }
        
        .nav_own ul li:nth-child(2){
            width: 60px;
            padding-left: 20px
            /*background-color: white;*/
        }
        
        .img_own{
            width: 50px;
            height: 50px;
            background-color: #ddd;
            text-align: center;
            margin-top: 5px;
            border-radius: 100%;
        }


     



         /*=================================
           播放音乐部分
        ===================================*/
        
        section{
            width: 100%;
            height: 200px;
            background-color: black;
            position: relative;
        }
        
        .video_box{
            margin: 0 auto 40px auto;
            width: 80%;
            height: 100%;
            background-color: black;
            
            /*margin-bottom: 40px;*/
            /*padding-bottom: -30px;*/
            /*position: relative;
            bottom: 40px;*/
        }
        
        .video_box video{
            width: 100%;
            height: 94%;
        }
        
        .contrels{
            width: 100%;
            height: 60px;
            background-color: black;
            position: absolute;
            bottom: 0px;
        }
        
        .contrels div{
            display: inline-block;
        }
        
        .play_icon{
            width: 40px;
            height: 40px;
            
            color: red;
            text-align: center;
            background: url(../images/video/control.png) no-repeat 0 6px;
            
        }

        .paused{
            background: url(../images/video/control.png) no-repeat 0 -26.5px;
        }
        
        .play_time{
            margin-left: 10px;
            margin-top: 10px;
            background-color: black;
            position: absolute;
            left: 60px;
            line-height: 20px;
            
        }
        
        .play_time span{
            font-size: 14px;
            color: white;
        }
        
        .func_btn{
            width: auto;
            height: 40px;
            background-color:black;
            position: absolute;
            right: 10px;
            color: gray;
            font-size: 20px;
            
        }
        
        .func_btn div:not([class="volume"]){
            width: 30px;
            height: 30px;
        }

        .func_btn div{
            margin-top: 10px;
            line-height: 40px;
            padding-left: 10px;
            padding-right: 10px;
        }
        
        .func_btn div.btn:hover{
            
            color: red;
            cursor: pointer;
        }





/*最大音量*/
.func_btn div.sound{
	background:url(../images/video/control.png) no-repeat -88px -30px;
	border:none;
	float:right;
}

/*小音量*/
.func_btn div.sound2{
	background:url(../images/video/control.png) no-repeat -88px -60px !important;
}

/*没有音量*/
.func_btn div.muted{
	background:url(../images/video/control.png) no-repeat -88px 0 !important;
}
        
.func_btn div.btnFS{
	background:url(../images/video/control.png) no-repeat -44px 0;
	float:right;
}

.func_btn div.sudu{
    width: 30px;
    height: 22px;
    background-color: darkgray;
    border-radius: 5px;
    float: right;
    margin-top: 16px;
    margin-left: 5px;
    margin-right: 5px;
    font-size: 14px;
    line-height: 23px;
    color: white;
}

..func_btn div.sudu:hover{
    color: red;
    cursor: pointer;
}

.func_btn div.sudubox{
    width: 30px;
    height: 50px;
    background-color: darkgrey;
    border-radius: 5px;
    position: absolute;
    top: -50px;
    right: 55px;
    z-index: 30;
    font-size: 14px;
    text-align: center;
    line-height:2px;
    display: none;
}

.func_btn div.sudubox>.suduch_box{
    color: white;
    width: 28px;
    height: 22px;
    margin:0;
    margin-left: -9px;
    margin-top: 2px;
    line-height: 20px;
    cursor: pointer;
}

.func_btn div.sudubox>.suduch_box:hover{
    color: red;
}

.func_btn div.sudubox>.suduch_box:nth-child(1){
    
    border-bottom:1px solid #ddd;
}


.progress {
	padding: 0;
	margin: 0;
	width:100%;
	height:10px;
	position:relative;
    top:-10px;
	float:left;
	cursor:pointer;
	background: #444; 
}

.progress span {
	height:100%;
	position:absolute;
	top:0;
	left:0;
	display:block;
}

.timeBar{
	z-index:10;
	width:0;
	background: #3FB7FC;
}

.bufferBar{
	z-index:5;
	width:0;
	background: #777;
}

.yuandian{
    z-index: 15;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: aqua;
    /*margin-left:20%;*/
    
}

/* time and duration */
.time{
	width:15%;
	float:right;
	text-align:center;
	font-size:11px;
	line-height:12px;
}


.volume{
	position:relative;
    top: 10px;
	cursor:pointer;
	width:70px;
	height:10px;
	float:right;
    margin-top: 20px;
	margin-right:10px;
	background-color: lightgrey;
}
.volumeBar{
	display:block;
	height:100%;
	position:absolute;
	top:0;
	left:0;
	background-color:#2386E4;
	z-index:10;
}


.loading, #init{
	position:absolute;
	top:0;
	left:0;
	width:100%;
	height:100%;
	background:url(../images/video/loading.gif) no-repeat 50% 50%;
	z-index:2;
	/*display:none;*/
}
#init{
	background:url(../images/video/bigplay.png) no-repeat 50% 50% !important;
	cursor:pointer;
}

/*-----------------------脚部---------------------------*/
/*footer{
    width: 100%;
    height: 20px;
    margin-top: 20px;
    background-color: white;
    text-align: center;
}*/


/*====================================
        评论+推荐
=======================================*/
footer{

    width: 100%;
    height:auto;
    background-color: white;
    position: relative;
}



/**/
.con{
    width: 75%;
    height: auto;
    margin-left: 5%;
    /*margin: 0 auto;*/
    overflow: hidden;/*
    margin-top: 40px;*/
}
.conCata{
    width: 80%;
    height: auto;
    /*border: 1px solid red;*/
    float: left;
    padding-right: 100px;
    box-sizing: border-box;
    color: #444;
}
.condes{
    width: 100%;
    height: auto;
    padding-left: 3%;
    line-height: 30px;
    box-sizing: border-box;
}
.conNav{
    width: 100%;
    height: auto;
    border-bottom: 2px solid #ccc;
    padding-left: 3%;
    box-sizing: border-box;
}
.conNav span{
    display: inline-block;
    height: 80px;
    line-height: 100px;
    font-weight: 600;
    margin-right: 70px;
    cursor: pointer;
}
.color{
    color: #eb4f38;
}

/*章节*/
.chapters{
    /*display: none;*/
}
.chapter{
    width: 97%;
    height: auto;
    color: #000;
    padding: 25px 3%;
    border-bottom: 1px solid #ccc;
    overflow: hidden;        /*!!!*/
}
.chapicon{
    display: inline-block;
    width: 20px;
    height: 20px;
    background: #999;
    border-radius: 50%;
    vertical-align: bottom;
    margin-right: 10px;
}
.chapConts{
    width: 96%;
    height: auto;
    float: right;
}
.chaptit{
    margin-bottom: 20px;
}
.chaptit span{
    font-weight: 600;
    margin-right: 20px;
}
.icon-shangjiantou1{
    float: right;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.2s ease-in;
}
.cont{
    display: block;
    width: 100%;
    height: 45px;
    line-height: 45px;
    background: #f2f2f6;
    margin-bottom: 10px;
    padding: 0 15px;
    box-sizing: border-box;
    font-size: 15px;
    cursor: pointer;
}
.cont>span{
    margin-right: 10px;
}
.cont:hover{
    background: #2b333b;
    color: #fff;
}
.cont:hover a{
    color: #fff;
}

/*问答*/
.QaA{
    width: 100%;
    height: auto;
    /*display: none;*/
    min-height: 600px;
}

/*评论*/

.commentsbox{
    border: 1px solid #ddd;
}
.comment-msg{
    font-size: 18px;
    margin-bottom: 10px;
/*    margin-top: -0px;*/
    /*font-weight: 600*/
}

.comment-box{
    position: relative;
}

.comment-box img{
    border-radius: 50%;
}

.comment-box>textarea{
    width: 85%;
    height: 100px;
    resize: none;
}

.comment-box>button{
    width: 50px;
    height: 25px;
    background-color: lightcoral;
    border: none;
    border-radius: 4px;
    position: absolute;
    bottom: 5px;
    right: -60px;
    color: white;
    font-size: 16px;
}

/*评论的主题*/
.comments-title{
    margin-left: 75px;
    margin-bottom: 10px;
    width: 70%;
}


.ques{
    width: 100%;
    height: auto;
    margin: 0 auto;
    padding: 25px 3%;
    box-sizing: border-box;
    border-bottom: 1px solid #ccc;
}
.ques img{
    width: 50px;
    height: 50px;
    vertical-align: top;
    margin-right: 20px;
    display: inline-block;
}
.ques>div{
    display: inline-block;
    width: 90%;
}
.quser,.quser a{
    color: #666;
    font-size: 14px;
}
.quser a:hover{
    color: #333;
}
.quser span:last-child{
    float: right;
}
.qtit{
    height: auto;
    font-weight: 600;
    margin-top: 10px;
    font-size: 17px;
}
.qans{
    height: 60px;
    font-size: 15px;
    overflow: hidden;
    line-height: 30px;
    margin-top: 15px;
    /*实现超过两行多余部分显示……，但是用到了webkit的私有属性，
      不然就要用jquery的插件jQuery ellipsis plugin来实现*/
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;              /*隐藏超出的内容*/
    text-overflow: ellipsis;
    display: -webkit-box;          /*是-webkit-私有属性*/
    -webkit-line-clamp: 2;         /*显示的行数*/
    -webkit-box-orient: vertical;  /*设置或检索伸缩盒对象的子元素的排列方式*/
}
.qans span:first-child{
    font-weight: 600;
}
.qcount{
    color: #666;
    font-size: 14px;
    float: right;
    margin-top: 15px;
}


/*笔记*/
.notes{
    width: 100%;
    height: auto;
    display: none;
    min-height: 600px;
}
.note{
    width: 100%;
    height: auto;
    margin: 0 auto;
    padding: 25px 3%;
    box-sizing: border-box;
    border-bottom: 1px solid #ccc;
}
.note img{
    width: 50px;
    height: 50px;
    vertical-align: top;
    margin-right: 20px;
}
.note>div{
    display: inline-block;
    width: 90%;
}
.noter,.noter>a{
    height: 50px;
    font-size: 15px;
    margin-bottom: 20px;
    color: #999;
    position: relative;
}
.noter>span:nth-child(2){
    font-size: 13px;
}
.note_tit{
    display: block;
    font-weight: bold;
    position: absolute;
    bottom: 0;
    font-size: 18px;
    color: #666;
}
.noter>a{
    font-weight: 600;
}
.noter>a:hover{
    color: #333;
}
.noter>span:nth-child(2){
    float: right;
}
.notecont{
    width: 100%;
    height: auto;
    font-size: 14px;
}
.notecont>span:first-child{
    display: block;
    width: 100%;
    height: auto;
    /*max-height: 100px;*/
    overflow: hidden;
    margin-bottom: 15px;
    font-size: 15px;
}
#notefor{
    float: right;
    color: #666;
}
.icon-dianzan{
    cursor: pointer;
    font-size: 15px;
    margin-right: 5px;
    color: #666;
    transition: all 0.3s ease-in;
}





/*-------------推荐右侧信息-------------*/
/*
.conLet{
    width: 20%;
    height: auto;
    float: right;
}
.conLet>div:first-child{
    font-weight: bold;
}
.recommend{
    margin: 25px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid #ccc;
    overflow: hidden;
}
.recommend img{
    width: 50px;
    height: 50px;
    vertical-align: top;
    margin-right: 10px;
}
.recommend>span{
    display: inline-block;
    height: auto;
    width: 70%;
    font-size: 14px;
    color: #666;
}
.rec_tit{
    display: block;
    font-size: 15px;
    color: #000;
    margin-bottom: 5px;
}
.rec_desc{
    height: 40px;
    display: block;
    overflow: hidden;
    margin-bottom: 10px;
}
*/




/*----------------------推荐--------------------*/


.recommend{
    width: 35%;
    height: auto;
    background-color: white;
    position: absolute;
    right: 0px;
    margin-top: 20px;
}

.recomm_msg{
    margin-left: 10%;
    text-align: left;
    width: 80%;
    height: 60px;
    border-bottom: 2px solid #ddd;
}

.recomm_msg span{
    line-height: 65px;
    margin-left: 20px;
    font-size: 18px;
    font-weight: 600;
}

.classes_recom{
    margin-left: 10%;
    width: 80%;
    height: auto;
    border-bottom: 1px solid #ddd;
    padding-top: 10px;
    padding-bottom: 10px;

}

.classes_recom a{
    display: block;
    width: 80%;
    margin-left: 20px;
    color:gray;
    text-decoration:none;
}






@media screen and (min-width: 992px) {

}


@media screen and (min-width:762px) and (max-width:992px) {

    .nav_share{
        display: none;
    }

    section{
        background-color: black;
    }

    .video_box{
        width: 100%;

    }


}

@media screen and (max-width:762px) {

    .nav_share{
        display: none;
    }

    body{
        width: 762px;
    }


    .video_box{
        width: 100%;

    }
}

